664577656711602 has 32 divisors (see below), whose sum is σ = 1330352802110592. Its totient is φ = 221326334271744.

The previous prime is 664577656711597. The next prime is 664577656711613. The reversal of 664577656711602 is 206117656775466.

664577656711602 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84565498 + ... + 92089514.

It is an arithmetic number, because the mean of its divisors is an integer number (41573525065956).

Almost surely, 2^{664577656711602} is an apocalyptic number.

664577656711602 is an abundant number, since it is smaller than the sum of its proper divisors (665775145398990).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

664577656711602 is a wasteful number, since it uses less digits than its factorization.

664577656711602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7537282.

The product of its (nonzero) digits is 533433600, while the sum is 69.

The spelling of 664577656711602 in words is "six hundred sixty-four trillion, five hundred seventy-seven billion, six hundred fifty-six million, seven hundred eleven thousand, six hundred two".